
"""simple docstring"""






from typing import Optional

from .. import Features, NamedSplit
from ..packaged_modules.text.text import Text
from ..utils.typing import NestedDataStructureLike, PathLike
from .abc import AbstractDatasetReader



class 			lowercase					( lowercase__		):






			def __init__(self  :	Tuple      ,SCREAMING_SNAKE_CASE_  :	NestedDataStructureLike[PathLike]      ,SCREAMING_SNAKE_CASE_  :	Optional[NamedSplit] = None      ,SCREAMING_SNAKE_CASE_  :	Optional[Features] = None      ,SCREAMING_SNAKE_CASE_  :	str = None      ,SCREAMING_SNAKE_CASE_  :	bool = False      ,SCREAMING_SNAKE_CASE_  :	bool = False      ,SCREAMING_SNAKE_CASE_  :	Optional[int] = None      ,**SCREAMING_SNAKE_CASE_  :	Optional[int]      ,)       ->	int:





				"""simple docstring"""


				super().__init__(
				    SCREAMING_SNAKE_CASE_      ,split=SCREAMING_SNAKE_CASE_      ,features=SCREAMING_SNAKE_CASE_      ,cache_dir=SCREAMING_SNAKE_CASE_      ,keep_in_memory=SCREAMING_SNAKE_CASE_      ,streaming=SCREAMING_SNAKE_CASE_      ,num_proc=SCREAMING_SNAKE_CASE_      ,**SCREAMING_SNAKE_CASE_      ,)
				lowerCAmelCase												=  path_or_paths if isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) else {self.split: path_or_paths}
				lowerCAmelCase												=  Text(
				    cache_dir=SCREAMING_SNAKE_CASE_      ,data_files=SCREAMING_SNAKE_CASE_      ,features=SCREAMING_SNAKE_CASE_      ,**SCREAMING_SNAKE_CASE_      ,)






			def 					UpperCAmelCase							(self  :	Dict			)       ->	Optional[Any]:





				"""simple docstring"""


				if self.streaming:
					lowerCAmelCase												=  self.builder.as_streaming_dataset(split=self.split			)
				# Build regular (map-style) dataset
				else:
					lowerCAmelCase												=  None
					lowerCAmelCase												=  None
					lowerCAmelCase												=  None
					lowerCAmelCase												=  None

					self.builder.download_and_prepare(
					    download_config=SCREAMING_SNAKE_CASE_      ,download_mode=SCREAMING_SNAKE_CASE_      ,verification_mode=SCREAMING_SNAKE_CASE_      ,base_path=SCREAMING_SNAKE_CASE_      ,num_proc=self.num_proc      ,)
					lowerCAmelCase												=  self.builder.as_dataset(
					    split=self.split      ,verification_mode=SCREAMING_SNAKE_CASE_      ,in_memory=self.keep_in_memory			)
				return dataset




"""simple docstring"""






class 			lowercase					:






			def __init__(self  :	Dict			)       ->	List[Any]:





				"""simple docstring"""


				lowerCAmelCase												=  {}






			def 					UpperCAmelCase							(self  :	Union[str, Any]			)       ->	None:





				"""simple docstring"""


				print(self.vertex			)
				for i in self.vertex:
					print(SCREAMING_SNAKE_CASE_      ,''' -> '''      ,''' -> '''.join([str(SCREAMING_SNAKE_CASE_			) for j in self.vertex[i]]			)			)






			def 					UpperCAmelCase							(self  :	Optional[Any]      ,SCREAMING_SNAKE_CASE_  :	int      ,SCREAMING_SNAKE_CASE_  :	int			)       ->	None:





				"""simple docstring"""


				if from_vertex in self.vertex:
					self.vertex[from_vertex].append(SCREAMING_SNAKE_CASE_			)
				else:
					# else make a new vertex
					lowerCAmelCase												=  [to_vertex]






			def 					UpperCAmelCase							(self  :	List[str]			)       ->	None:





				"""simple docstring"""


				lowerCAmelCase												=  [False] * len(self.vertex			)

				# call the recursive helper function
				for i in range(len(self.vertex			)			):
					if not visited[i]:
						self.dfs_recursive(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)






			def 					UpperCAmelCase							(self  :	Optional[Any]      ,SCREAMING_SNAKE_CASE_  :	int      ,SCREAMING_SNAKE_CASE_  :	list			)       ->	None:





				"""simple docstring"""


				lowerCAmelCase												=  True

				print(SCREAMING_SNAKE_CASE_      ,end=''' '''			)

				# Recur for all the vertices that are adjacent to this node
				for i in self.vertex:
					if not visited[i]:
						self.dfs_recursive(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)


if __name__ == "__main__":
					UpperCAmelCase        =				Graph()
					g.add_edge(0, 1)
					g.add_edge(0, 2)
					g.add_edge(1, 2)
					g.add_edge(2, 0)
					g.add_edge(2, 3)
					g.add_edge(3, 3)

					g.print_graph()
					print("""DFS:""")
					g.dfs()

					# OUTPUT:
					# 0  ->  1 -> 2
					# 1  ->  2
					# 2  ->  0 -> 3
					# 3  ->  3
					# DFS:
					#  0 1 2 3


